Eiger is an electromagnetic software for frequency domain analysis. It consists of physics models for 2D and 3D electromagnetic scattering, radiation, and penetration problems. It contains Green's functions for periodic and layer medium.

SLFCEM stands for San Le's Free Comp. Electromagnetics.
It is a package of scientific software and graphical user
interfaces for use in computational electromagnetics.
It is written in ANSI C and distributed under the terms
of the GNU license.

The BeamFocus Refactoring software is designed to assist the X-ray beam line scientist to focus the mirror of the optic system. This mirror can be a KB system (Kirkpatrick-Baez mirror set-up) or a Toroid.